Bamboo army glass

Help!! Pesticide information needed for Daddy Longleg spiders and birds.? - how to build a wood swing set with picxtures

I live in a wooded area and had only built a swing for my children. But I fear that they are playing on her because she was hit by a group of spiders and birds daddyleg debris on the seat of the swing. Insecticide Home Defense I try to kill spiders, but it did not work seems to multiply further. For birds, I had to remove the bar to swing on the trapeze, but that does not help. What can I use to kill spiders and birds avoid crapping everywhere?